package com.cloud.ribbon;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.cloud.netflix.hystrix.EnableHystrix;
import org.springframework.cloud.netflix.hystrix.dashboard.EnableHystrixDashboard;
import org.springframework.context.annotation.Bean;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

/**
 * @author 奶茶
 * ribbon + restTemplate 服务消费
 * hystrix 断路器
 */
@SpringBootApplication
@EnableDiscoveryClient
@EnableHystrix
@EnableHystrixDashboard
@RestController
public class CloudConsumerRibbonApplication {

	public static void main(String[] args) {
		SpringApplication.run(CloudConsumerRibbonApplication.class, args);
	}

	/**
	 * @LoadBalanced 方便我们对RestTemplate添加一个LoadBalancerClient，以实现客户端负载均衡。
	 * @return
	 */
	@Bean
	@LoadBalanced
	RestTemplate restTemplate(){
		return new RestTemplate();
	}

	@Value("${server.port}")
	String port;

	@RequestMapping("/sayHelloRibbon")
	public String hi(@RequestParam String name){
		return "hi "+name+",i am from port:" +port;
	}
}
